From: Jeremy Kerr <jk@ozlabs.org>
To: Scot Doyle <lkml14@scotdoyle.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: David Daney <david.daney@cavium.com>,
Ming Lei <ming.lei@canonical.com>,
Dann Frazier <dann.frazier@canonical.com>,
Peter Hurley <peter@hurleysoftware.com>,
Pavel Machek <pavel@ucw.cz>, Jonathan Liu <net147@gmail.com>,
Alistair Popple <alistair@popple.id.au>,
Jean-Philippe Brucker <jean-philippe.brucker@arm.com>,
"Chintakuntla, Radha" <Radha.Chintakuntla@caviumnetworks.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>, David Airlie <airlied@linux.ie>,
ddaney.cavm@gmail.com, dri-devel@lists.freedesktop.org,
linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] fbcon: warn on invalid cursor blink intervals
Date: Fri, 20 May 2016 01:21:58 +0000 [thread overview]
Message-ID: <573E66B6.40109@ozlabs.org> (raw)
In-Reply-To: <alpine.DEB.2.10.1605191726030.15478@laptop>
Hi Scot,
> Two systems are locking on boot [1] because ops->cur_blink_jiffies
> is set to zero from vc->vc_cur_blink_ms.
>
> Ignore such invalid intervals and log a warning.
This prevents a lockup on AST BMC machines, but (as expected) generates
a warning against the fbcon driver, which is a significantly better
result.
Tested-by: Jeremy Kerr <jk@ozlabs.org>
[now to sort out the issue in the ast driver...]
Cheers,
Jeremy
WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Kerr <jk@ozlabs.org>
To: Scot Doyle <lkml14@scotdoyle.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: David Daney <david.daney@cavium.com>,
Ming Lei <ming.lei@canonical.com>,
Dann Frazier <dann.frazier@canonical.com>,
Peter Hurley <peter@hurleysoftware.com>,
Pavel Machek <pavel@ucw.cz>, Jonathan Liu <net147@gmail.com>,
Alistair Popple <alistair@popple.id.au>,
Jean-Philippe Brucker <jean-philippe.brucker@arm.com>,
"Chintakuntla, Radha" <Radha.Chintakuntla@caviumnetworks.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>, David Airlie <airlied@linux.ie>,
ddaney.cavm@gmail.com, dri-devel@lists.freedesktop.org,
linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] fbcon: warn on invalid cursor blink intervals
Date: Fri, 20 May 2016 09:21:58 +0800 [thread overview]
Message-ID: <573E66B6.40109@ozlabs.org> (raw)
In-Reply-To: <alpine.DEB.2.10.1605191726030.15478@laptop>
Hi Scot,
> Two systems are locking on boot [1] because ops->cur_blink_jiffies
> is set to zero from vc->vc_cur_blink_ms.
>
> Ignore such invalid intervals and log a warning.
This prevents a lockup on AST BMC machines, but (as expected) generates
a warning against the fbcon driver, which is a significantly better
result.
Tested-by: Jeremy Kerr <jk@ozlabs.org>
[now to sort out the issue in the ast driver...]
Cheers,
Jeremy
next prev parent reply other threads:[~2016-05-20 1:21 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-17 18:41 [PATCH] tty: vt: Fix soft lockup in fbcon cursor blink timer David Daney
2016-05-17 20:49 ` Pavel Machek
2016-05-18 0:42 ` Ming Lei
2016-05-18 20:24 ` Scot Doyle
2016-05-18 20:38 ` David Daney
2016-05-18 20:38 ` David Daney
2016-05-19 4:21 ` [PATCH] fbcon: use default if cursor blink interval is not valid Scot Doyle
2016-05-19 4:21 ` Scot Doyle
2016-05-19 7:25 ` Jeremy Kerr
2016-05-19 7:25 ` Jeremy Kerr
2016-05-19 8:29 ` Ming Lei
2016-05-19 8:29 ` Ming Lei
2016-05-19 9:01 ` Pavel Machek
2016-05-19 9:01 ` Pavel Machek
2016-05-19 9:01 ` Pavel Machek
2016-05-19 14:22 ` Scot Doyle
2016-05-19 14:22 ` Scot Doyle
2016-05-19 15:31 ` Ming Lei
2016-05-19 15:31 ` Ming Lei
2016-05-19 15:59 ` David Daney
2016-05-19 15:59 ` David Daney
2016-05-19 15:59 ` David Daney
2016-05-19 22:25 ` Scot Doyle
2016-05-19 22:25 ` Scot Doyle
2016-05-19 22:31 ` [PATCH] fbcon: warn on invalid cursor blink intervals Scot Doyle
2016-05-19 22:31 ` Scot Doyle
2016-05-19 22:50 ` David Daney
2016-05-19 22:50 ` David Daney
2016-05-19 22:50 ` David Daney
2016-05-20 1:21 ` Jeremy Kerr [this message]
2016-05-20 1:21 ` Jeremy Kerr
2016-05-20 2:17 ` Ming Lei
2016-05-20 2:17 ` Ming Lei
2016-05-20 2:26 ` Jeremy Kerr
2016-05-20 2:26 ` Jeremy Kerr
2016-05-20 2:48 ` Ming Lei
2016-05-20 2:48 ` Ming Lei
2016-05-20 5:04 ` Jeremy Kerr
2016-05-20 5:04 ` Jeremy Kerr
2016-05-20 16:27 ` Scot Doyle
2016-05-20 16:27 ` Scot Doyle
2016-05-24 1:19 ` Scot Doyle
2016-05-24 1:19 ` Scot Doyle
2016-05-28 11:48 ` Henrique de Moraes Holschuh
2016-05-28 11:48 ` Henrique de Moraes Holschuh
2016-06-12 5:05 ` Chintakuntla, Radha
2016-05-28 11:45 ` Henrique de Moraes Holschuh
2016-05-28 11:45 ` Henrique de Moraes Holschuh
2016-05-19 0:27 ` [PATCH] tty: vt: Fix soft lockup in fbcon cursor blink timer Ming Lei
2016-05-19 7:08 ` Pavel Machek
2016-05-19 22:35 ` Scot Doyle
2016-05-28 11:44 ` Henrique de Moraes Holschuh
2016-06-14 16:22 ` Ping: " David Daney
2016-06-14 16:22 ` David Daney
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